Dominant Novak Djokovic has swept into the Australian Open last eight as the Williams sisters display fighting qualities to stay alive, but the tournament has ended for two-time champion Victoria Azarenka.

World number six Agnieszka Radwanska was dumped out of the US$2.4 million WTA Wuhan Open on Monday (Sep 22) by a determined Caroline Garcia of France, while Maria Sharapova won her first match of the inaugural tournament.

Dominika Cibulkova was almost lost for words after she became the first Slovakian woman to reach a grand slam final by beating fifth seed Agnieszka Radwanska 6-1 6-2 at the Australian Open on Thursday.